Finding the Fourth Proportional to 17,620,252.80, 26,430,379.20 and 15,772,675.20
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Solution
The fourth proportional to 17,620,252.80, 26,430,379.20 and 15,772,675.20 is: 23,659,012.80
Step by Step Solution
- Step 1: Write the proportion equation
17,620,252.80 : 26,430,379.20 = 15,772,675.20 : x - Step 2: Convert to fraction form
17,620,252.80/26,430,379.20 = 15,772,675.20/x - Step 3: Cross multiply
17,620,252.80x = 26,430,379.20 × 15,772,675.20 - Step 4: Simplify right side
17,620,252.80x = 416,877,786,534,435.81 - Step 5: Solve for x
x = 416,877,786,534,435.81/17,620,252.80 - Step 6: Final answer
x = 23,659,012.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.